Various test, FIXMEs, config fixes

[eddeee888]

Description

This PR:

• cleans up a few missing tests
• fixes FIXMEs
• fixes dev-test-apollo-tooling's package.json private option to ensure it's not published

Related #10496

Type of change

• Adding tests

[changeset-bot]

⚠️ No Changeset found

Latest commit: 75d0b93

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[github-actions]

🚀 Snapshot Release (alpha)

The latest changes of this PR are available as alpha on npm (based on the declared changesets):

Package	Version	Info
@graphql-codegen/cli	6.1.2-alpha-20260120105618-75d0b93ca2dc120613a2fb686dae6c55bf971357	npm ↗︎ unpkg ↗︎
@graphql-codegen/introspection	5.0.1-alpha-20260120105618-75d0b93ca2dc120613a2fb686dae6c55bf971357	npm ↗︎ unpkg ↗︎
@graphql-codegen/visitor-plugin-common	7.0.0-alpha-20260120105618-75d0b93ca2dc120613a2fb686dae6c55bf971357	npm ↗︎ unpkg ↗︎
@graphql-codegen/typescript-document-nodes	5.0.8-alpha-20260120105618-75d0b93ca2dc120613a2fb686dae6c55bf971357	npm ↗︎ unpkg ↗︎
@graphql-codegen/gql-tag-operations	5.1.3-alpha-20260120105618-75d0b93ca2dc120613a2fb686dae6c55bf971357	npm ↗︎ unpkg ↗︎
@graphql-codegen/typescript-operations	6.0.0-alpha-20260120105618-75d0b93ca2dc120613a2fb686dae6c55bf971357	npm ↗︎ unpkg ↗︎
@graphql-codegen/typescript-resolvers	6.0.0-alpha-20260120105618-75d0b93ca2dc120613a2fb686dae6c55bf971357	npm ↗︎ unpkg ↗︎
@graphql-codegen/typed-document-node	6.1.6-alpha-20260120105618-75d0b93ca2dc120613a2fb686dae6c55bf971357	npm ↗︎ unpkg ↗︎
@graphql-codegen/typescript	6.0.0-alpha-20260120105618-75d0b93ca2dc120613a2fb686dae6c55bf971357	npm ↗︎ unpkg ↗︎
@graphql-codegen/client-preset	6.0.0-alpha-20260120105618-75d0b93ca2dc120613a2fb686dae6c55bf971357	npm ↗︎ unpkg ↗︎
@graphql-codegen/graphql-modules-preset	5.1.3-alpha-20260120105618-75d0b93ca2dc120613a2fb686dae6c55bf971357	npm ↗︎ unpkg ↗︎